Air quality monitor



FIG. 1 is a perspective view of an air quality monitor, showing our new design in a first embodiment;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a perspective view of an air quality monitor, showing our new design in a second embodiment;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a side view thereof;

FIG. 12 is another side view thereof;

FIG. 13 is a top view thereof;

FIG. 14 is a bottom view thereof;

FIG. 15 is a perspective view of an air quality monitor, showing our new design in a third embodiment;

FIG. 16 is a front view thereof;

FIG. 17 is a rear view thereof;

FIG. 18 is a side view thereof;

FIG. 19 is another side view thereof;

FIG. 20 is a top view thereof; and,

FIG. 21 is a bottom view thereof.

The broken-line disclosure in the views is generally understood to form no part of the claimed design. 

CLAIM We claim, the ornamental design for an air quality monitor, as shown and described. 